Malware Analysis Report

2025-05-05 21:38

Sample ID 201020-8j82j1x6ls
Target doc_pack-620434390.xls
SHA256 39fa226a4b6a10b95062b7c355d0c73c7158ce491b9b5b08ea245ecec42d9fe0
Tags
trojan banker stealer qakbot macro
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

39fa226a4b6a10b95062b7c355d0c73c7158ce491b9b5b08ea245ecec42d9fe0

Threat Level: Known bad

The file doc_pack-620434390.xls was found to be: Known bad.

Malicious Activity Summary

trojan banker stealer qakbot macro

Qakbot/Qbot

Executes dropped EXE

Office macro that triggers on suspicious action

Suspicious Office macro

Loads dropped DLL

Process spawned suspicious child process

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-10-20 23:08

Signatures

Office macro that triggers on suspicious action

macro
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

macro
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:18

Platform

win7

Max time kernel

145s

Max time network

157s

Command Line

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-620434390.xls

Signatures

Qakbot/Qbot

trojan banker stealer qakbot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A
N/A N/A C:\COsuv\Wegerb\szvMhegn.exe N/A

Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1164 wrote to memory of 1948 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1164 wrote to memory of 1948 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1164 wrote to memory of 1948 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1164 wrote to memory of 1948 N/A C:\Program Files\Microsoft Office\Office14\EXCEL.EXE C:\COsuv\Wegerb\szvMhegn.exe
PID 1948 wrote to memory of 484 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1948 wrote to memory of 484 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1948 wrote to memory of 484 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1948 wrote to memory of 484 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1948 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 1948 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 1948 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 1948 wrote to memory of 952 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 1948 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1948 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1948 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 1948 wrote to memory of 1212 N/A C:\COsuv\Wegerb\szvMhegn.exe C:\Windows\SysWOW64\schtasks.exe
PID 952 wrote to memory of 368 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 952 wrote to memory of 368 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 952 wrote to memory of 368 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 952 wrote to memory of 368 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe
PID 952 wrote to memory of 700 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Windows\SysWOW64\explorer.exe
PID 952 wrote to memory of 700 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Windows\SysWOW64\explorer.exe
PID 952 wrote to memory of 700 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Windows\SysWOW64\explorer.exe
PID 952 wrote to memory of 700 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Windows\SysWOW64\explorer.exe
PID 952 wrote to memory of 700 N/A C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe C:\Windows\SysWOW64\explorer.exe
PID 1576 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1576 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1576 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe
PID 1576 wrote to memory of 1528 N/A C:\Windows\system32\taskeng.exe C:\COsuv\Wegerb\szvMhegn.exe

Processes

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\doc_pack-620434390.xls

C:\COsuv\Wegerb\szvMhegn.exe

"C:\COsuv\Wegerb\szvMhegn.exe"

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /C

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn nqjlwulult /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I nqjlwulult" /SC ONCE /Z /ST 23:14 /ET 23:26

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe /C

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\taskeng.exe

taskeng.exe {21F4C99F-F31D-4750-8460-D1ACE46C4988} S-1-5-18:NT AUTHORITY\System:Service:

C:\COsuv\Wegerb\szvMhegn.exe

C:\COsuv\Wegerb\szvMhegn.exe /I nqjlwulult

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 blog.vokasidev.com udp
N/A 68.65.123.245:80 blog.vokasidev.com tcp

Files

memory/1164-1-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/1164-4-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/1828-5-0x000007FEF3460000-0x000007FEF36DA000-memory.dmp

memory/1948-6-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1164-8-0x0000000006F50000-0x0000000006F54000-memory.dmp

memory/1164-9-0x0000000005F50000-0x0000000005F54000-memory.dmp

memory/1164-10-0x00000000024C0000-0x00000000024C1000-memory.dmp

memory/1164-12-0x0000000004C90000-0x0000000004C94000-memory.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/484-14-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/484-16-0x0000000002570000-0x0000000002581000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/952-19-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/1212-21-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/368-23-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

memory/368-25-0x00000000023D0000-0x00000000023E1000-memory.dmp

memory/952-26-0x00000000003C0000-0x00000000003F7000-memory.dmp

memory/700-27-0x0000000000000000-mapping.dmp

\??\PIPE\wkssvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\Microsoft\Cectfpmsa\souzhpvj.dat

MD5 f1d2c8b1723cc2d537b8c8c6d11ce4da
SHA1 7988ff2c5a51d59cbe27b71e36351353a2fc2fe1
SHA256 75ad932e78d5e8d7941e647f68d5529b980adaaa433458cbcf42a2ac8e344b94
SHA512 64bc2e72addd1806b91195d0b2694c36174eabc9bf91d404daf88ffe240fee35a2821fe9e6d7a32a83fec66c44852d87c25049ade62c1f3b8ab43da2e96e75f3

memory/1528-30-0x0000000000000000-mapping.dmp

C:\COsuv\Wegerb\szvMhegn.exe

MD5 cd1d9f1f22120d080cb52057a7d9fb96
SHA1 d428fda3e1be91a246628fca76f5d0fe8d53e04d
SHA256 76ca0f3d7cc3c4231e242c4a90ecfd5da244d4df64cfc3c95da1ce321e1c3852
SHA512 4613044a3671f11652c338bd1474826c3614152aa04c9118cb2bd643519679948a0eff22d4b33fe732144a24618174d729f099b4b964aa9d505b6a72552c533f

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-20 23:08

Reported

2020-10-20 23:18

Platform

win10

Max time kernel

9s

Max time network

129s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-620434390.xls"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A
N/A N/A C:\Windows\system32\dwwin.exe N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-620434390.xls"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4448

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4448

Network

N/A

Files

memory/3892-0-0x00007FFCC1380000-0x00007FFCC1A46000-memory.dmp

memory/2884-4-0x0000000000000000-mapping.dmp

memory/3012-5-0x0000000000000000-mapping.dmp

memory/3012-6-0x0000021C1D250000-0x0000021C1D251000-memory.dmp

memory/3012-7-0x0000021C1D250000-0x0000021C1D251000-memory.dmp

memory/3012-9-0x0000021C1D8E0000-0x0000021C1D8E1000-memory.dmp

memory/3012-12-0x0000021C1DCE0000-0x0000021C1DCE1000-memory.dmp

memory/3012-14-0x0000021C1DCE0000-0x0000021C1DCE1000-memory.dmp

memory/3012-16-0x0000021C1DCE0000-0x0000021C1DCE1000-memory.dmp

memory/3012-18-0x0000021C1DC60000-0x0000021C1DC61000-memory.dmp

memory/3012-19-0x0000021C1DC60000-0x0000021C1DC61000-memory.dmp

memory/3012-20-0x0000021C1DC60000-0x0000021C1DC61000-memory.dmp

memory/3012-21-0x0000021C1D820000-0x0000021C1D821000-memory.dmp